Source : Webster's Revised Unabridged Dictionary (1913)

Solicitous \So*lic"it*ous\, a.[L. sollicitus, solicitus. See
   {Solicit}, v. t.]
   Disposed to solicit; eager to obtain something desirable, or
   to avoid anything evil; concerned; anxious; careful.
   ``Solicitous of my reputation.'' --Dryden. ``He was
   solicitous for his advice.'' --Calerendon.

         Enjoy the present, whatsoever it be, and be not
         solicitous about the future.             --Jer. Taylor.

         The colonel had been intent upon other things, and not
         enough solicitous to finish the fortifications.
                                                  --Clarendon.
   -- {So*lic"it*ous*ly}, adv. -- {So*lic"it*ous*ness}, n.

Source : WordNet®

solicitous
     adj 1: full of anxiety and concern; "solicitous parents";
            "solicitous about the future"
     2: showing hovering attentiveness; "solicitous about about her
        health"; "made solicitous inquiries about our family"